System and method for auxiliary power unit inlet door testing
US10118715B2 · kind B2 · utility
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10References
15Claims
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Key dates
| Filing date | Feb 23, 2017 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Feb 23, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2220/50
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method and system for operating an inlet door of an auxiliary power unit are provided. A control signal comprising at least one inlet door command is output. In response to the at least one inlet door command, at least one feedback signal is received and compared to the at least one inlet door command. If the at least one received feedback signal matches the at least one expected feedback signal, operation of the auxiliary power unit is allowed. Otherwise, operation of the auxiliary power unit is inhibited.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.